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Glossary
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National Instruments Corporation
G-5
N
NC
not connected (signal)
NMR
normal mode rejection
R
rms
root mean square—the square root of the average value of the square of the
instantaneous signal amplitude; a measure of signal amplitude
RSVD
reserved bit
RTSI
real-time system integration
S
S
samples
s
seconds
SCANCLK
scan clock signal
SCXI
Signal Conditioning eXtensions for Instrumentation—the National
Instruments product line for conditioning low-level signals within an
external chassis near sensors so only high-level signals are sent to DAQ
devices in the noisy PC environment
SERCLK
serial clock signal
SERDATIN
serial data input signal
SERDATOUT
serial data output signal
signal conditioning
the manipulation of signals to prepare them for digitizing
SLOT0SEL*
Slot 0 select signal
SPICLK
serial peripheral interface clock